Home / 29,146.46-43,708.96-10,421.42

Finding the Fourth Proportional to 29,146.46, 43,708.96 and 10,421.42

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Solution

The fourth proportional to 29,146.46, 43,708.96 and 10,421.42 is: 15,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.46 : 43,708.96 = 10,421.42 : x
  2. Step 2: Convert to fraction form
    29,146.46/43,708.96 = 10,421.42/x
  3. Step 3: Cross multiply
    29,146.46x = 43,708.96 × 10,421.42
  4. Step 4: Simplify right side
    29,146.46x = 455,509,552.22
  5. Step 5: Solve for x
    x = 455,509,552.22/29,146.46
  6. Step 6: Final answer
    x = 15,628.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.